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"It makes no sense, as the sound on a CD is digital information. If the laser can't read it, then it uses some bit correction algorithm such as CRC to "guess" what was missing. If it still can't read, it "skips" that part. A CD will never sound "better" or "worse" depending on "laser reflexion", it either sounds the better possible, or it dosen't play at all. "
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Yes the sound of a cd is in the digital domain but when the laser is hitting the surface there is relection and the error correction cuircuitry plays its part.
By lowering this you make the player have a much easier time and error correction etc is therefore not needed and laser direction is much more exact and not prone to wow and flutter.
It all depends on your system and tastes in hi fi.
There are so many factors that can be applied to modding cd players the main ones being in the power supply,Output cappacitors,Copper shielding,Vibration control and unteen other things.
I did hear a difference on my system.
Thanks,
Ian.